超星 - Chapter1-9复习题单选 - 查题吧

单选题

The _____ is often referred to as the software environment or software platform.

A. device driver
B. language translator
C. utility software
D. operating system

单选题

_____ is an operating system widely used by servers on the web, mainframe computers, and very powerful personal computers.

A. UNIX
B. Lotus
C. Windows
D. Mac OS

单选题

_____ refers to the process whereby a single physical computer can support multiple operating systems.

A. Convergent device
B. Virtualization
C. Dependency
D. File compression

单选题

Troubleshooting or _____ programs recognize and correct problems.

A. backup
B. virtualization
C. diagnostic
D. file compression

单选题

Disk Cleanup, File History, and Disk Defragmenter are all examples of _____ programs.

A. device driver
B. operating system
C. language translator
D. utility

单选题

_____ programs reduce the size of files so they require less storage space.

A. File compression
B. Device driver
C. Virtualization
D. Language translator

单选题

The _____ utility program eliminates unneeded files on your hard disk.

A. File Compression
B. Disk Cleanup
C. Virtualization
Disk Defragmenter

单选题

_____ programs make copies of files to be used in case the originals are lost or damaged.

A. File compression
B. Disk defragmenter
C. File history
Disk cleanup

单选题

In a virtualized environment, the operating system of each virtual machine is known as the _____ operating system.

A. host
B. client
C. home
D. guest

单选题

_____ programs guard your computer system against viruses or other damaging programs that can invade your computer system.

Antivirus
B. Disk defragmenter
C. File history
Disk cleanup

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